1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s | FileCheck %s
3target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
4target triple = "i386-apple-darwin9.5"
5; -(-a) - a should be found and removed, leaving refs to only L and P
6define i32 @test(i32 %a, i32 %L, i32 %P) nounwind {
7; CHECK-LABEL: test:
8; CHECK:       ## %bb.0: ## %entry
9; CHECK-NEXT:    movl {{[0-9]+}}(%esp), %eax
10; CHECK-NEXT:    subl {{[0-9]+}}(%esp), %eax
11; CHECK-NEXT:    retl
12entry:
13        %0 = sub i32 %L, %a
14        %1 = sub i32 %P, %0
15	%2 = sub i32 %1, %a
16	br label %return
17
18return:		; preds = %bb3
19	ret i32 %2
20}
21